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Fuel log graph
Efficiency log for: GoldSunshine - 2003 Pontiac Grand AM SE2
  • Lifetime Fuel Economy: 28.8 mpg (US), 8.2 L/100 km, 34.6 mpg (Imp)
  • 90-day Fuel Economy: 28.8 mpg (US), 8.2 L/100 km, 34.6 mpg (Imp)
  • 3-tank Fuel Economy: 29.2 mpg (US), 8.1 L/100 km, 35 mpg (Imp)
  • EPA Combined Rating / % over rating: 21 mpg (US) / 37.2% (based on 90-day fuel economy)
  • Total fills: 7
  • Average cost per gal/L: $3.54 per gal (US); $0.00 per L (price data entered for 7 fill/s)
  • Average cost per fill: $38.84
  • Average distance cost: $0.12 per mi. / $0.08 per km
  • Total fuel used: 76.9 gal (US), 291.1 L
  • Total distance traveled: 2216 mi. / 3566.3 km
  • Total cost: $271.89
  • Total fuel saved vs. EPA: 28.6 gal. (US) / 108.3 L
  • Total saved: $101.24 (based on avg. cost per gal./L)
  • Average tank distance: 316.6 mi. / 509.5 km
Fill date Distance Fill amount Price Fuel Economy Details
2012-04-05 289 mi
465.1 km
9.75 gal (US)
8.12 gal (Imp)
36.91 L
328.58 kWh
$3.659
($35.68 total for this fill)
29.64 mpg (US)
35.59 mpg (Imp)
7.94 L/100 km
3.37 gal (US)/100 mi
1136.96 Wh/mi
Guess I hit the MPG wall with this setup.
2012-03-31 299 mi
481.19 km
9.9 gal (US)
8.24 gal (Imp)
37.48 L
333.63 kWh
$3.659
($36.22 total for this fill)
30.2 mpg (US)
36.29 mpg (Imp)
7.79 L/100 km
3.31 gal (US)/100 mi
1115.82 Wh/mi
Installed thermostat. Some EOC. But noticed using the Solus pro scanner I had part throttle knock up to 8* with EGR open and is running hot 230F. Fans running costant mid way though tank. EGR fine did test and checked ports. Opened up grill block some and helped. Hopfully next tank can tell a full story about the thermostat.
2012-03-23 368 mi
592.24 km
13.14 gal (US)
10.94 gal (Imp)
49.74 L
442.82 kWh
$3.589
($47.16 total for this fill)
28.01 mpg (US)
33.64 mpg (Imp)
8.4 L/100 km
3.57 gal (US)/100 mi
1203.32 Wh/mi
Nothing changed just had to use a different pump. Close enough. Finnaly got the thermostat..now to install it.
2012-03-14 337 mi
542.35 km
11.37 gal (US)
9.47 gal (Imp)
43.04 L
383.17 kWh
$3.47
($39.45 total for this fill)
29.64 mpg (US)
35.59 mpg (Imp)
7.94 L/100 km
3.37 gal (US)/100 mi
1137 Wh/mi
Normal driving. Good traffic days thanks to spring break. Still no thermostat or rear fender covers.
2012-03-06 319 mi
513.38 km
11.85 gal (US)
9.87 gal (Imp)
44.86 L
399.35 kWh
$3.499
($41.46 total for this fill)
26.92 mpg (US)
32.32 mpg (Imp)
8.74 L/100 km
3.71 gal (US)/100 mi
1251.88 Wh/mi
Some spirited driving. Two bad traffic mornings.
2012-02-28 336 mi
540.74 km
11.24 gal (US)
9.36 gal (Imp)
42.55 L
378.79 kWh
$3.489
($39.22 total for this fill)
29.89 mpg (US)
35.9 mpg (Imp)
7.87 L/100 km
3.35 gal (US)/100 mi
1127.35 Wh/mi
Removed Daytime running lights relay. About 1/4 mile worth of coasting engine off...prob not worth mentioning.
2012-02-20 268 mi
431.3 km
9.647 gal (US)
8.03 gal (Imp)
36.52 L
325.1 kWh
$3.39
($32.7 total for this fill)
27.78 mpg (US)
33.37 mpg (Imp)
8.47 L/100 km
3.6 gal (US)/100 mi
1213.06 Wh/mi
Just intalled front airdam. Previous best of 25mpg. Up 2.7mpg this tank. Going to test rear wheel skirts. Regular driving.

View: spreadsheet friendly fuel log output (for copy/paste)


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